Exam (elaborations) ANSC 4394

ANSC 4394 EXAM 3- QUESTIONS WITH
CORRECT ANSWERS 2026
Feed additives are not classed as CORRECT ANSWER -a feed nutrient



1000Bdrug products are approved by the FDA for use in livestock & poultry for
CORRECT ANSWER -- prevention/ treatment of disease

- promoting rapid growth

- feed efficiency



Feed additives promote CORRECT ANSWER -growth / improve feed efficiency



Feed additives don't take the place of CORRECT ANSWER -sanitation



Feed additives control CORRECT ANSWER -secondary infections



Antibiotics CORRECT ANSWER -- micro organism that keeps down the level of other micros

- reduce levels of bacterial infection to improve rate of gain / feed efficiency

- ex. Bactriacin, chlortetracycline, lasalocid, penicillin



Mode of action antibiotics CORRECT ANSWER -
metabolic: increase enzyme systems & the efficiency of their work

Nutrient sparing: bump up beneficial organism, dress competitive organisms in order to keep sy
nthesis higher & degradation lower

Disease control effect: cell won't work that way it normally should & may die off



Effectiveness of Antibiotics depend on: CORRECT ANSWER -- disease level in herd

- specific disease program